The knowledge imperfections should be considered when modeling complex problems. A solution is to develop a model that reduces the complexity and another option is to represent the imperfections: uncertainty, vagueness and incompleteness in the knowledge base. This paper proposes…

We propose a framework for studying the effect of KDD on CRM in the Egyptian banking sector. We believe that the KDD process and applications may perform a significant role in Egyptian banks to improve CRM, in particular for customer…

In the information age, knowledge leads to profits, power and success. As an ancestor of data mining, machine learning has concerned itself with discovery of new knowledge on its own. This paper presents experiment results produced by genetic algorithms in…

La obtención de conocimiento a partir de la información existente es un proceso no trivial que consiste en identificar patrones válidos, novedosos, potencialmente útiles y comprensibles a partir de los datos disponibles. La Minería de Datos es el área de…

This paper aims to clarify an economic mechanism behind the growing dichotomy between geo-economics and the borderless global knowledge economy. The proposed hypothesis is that geo-economic fault-lines, which are the product of the past prejudices of racial, linguistic, and cultural…

La Plata National University is making a great effort to support and encourage scientific, technologic and artistic research and innovation, maintaining its quality, as well as the development and knowledge transference that benefit society and generate new scientific, technologic and…

There exists a large amount of knowledge representation models. But most of them have significant limitations at the epistemic level. They do not have explanatory power. Most of them do not have means to represent some functional needs to work…

In this work five different ways of intervention, strategically articulated, on the social world, are established. And it includes two approaches regarding the realm of knowledge and that of social change. In the second approach, five basic categories are proposed:…

We report and describe larval digenean infections in Biomphalaria tenagophila and Biomphalaria straminea snails from Salto Grande Dam area, on the Argentinean and Uruguayan coasts of the Uruguay river. Both species of snail have been reported in Brazil, near the…

Mientras que los efectos de los alcaloides de Cinchona spp. sobre ciertos organismos han sido bien estudiados, no hay conocimiento de su actividad sobre las levaduras. Esto puede ser interesante, ya que la acción de los productos naturales representa una…